/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

var _util = require("static/plugins/js/zrender/lib/core/util");

var each = _util.each;

var parseGeoJson = require("./parseGeoJson");

var _model = require("../../util/model");

var makeInner = _model.makeInner;

var fixNanhai = require("./fix/nanhai");

var fixTextCoord = require("./fix/textCoord");

var fixGeoCoord = require("./fix/geoCoord");

var fixDiaoyuIsland = require("./fix/diaoyuIsland");

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
// Built-in GEO fixer.
var inner = makeInner();
var _default = {
    /**
     * @param {string} mapName
     * @param {Object} mapRecord {specialAreas, geoJSON}
     * @return {Object} {regions, boundingRect}
     */
    load: function (mapName, mapRecord) {
        var parsed = inner(mapRecord).parsed;

        if (parsed) {
            return parsed;
        }

        var specialAreas = mapRecord.specialAreas || {};
        var geoJSON = mapRecord.geoJSON;
        var regions; // https://jsperf.com/try-catch-performance-overhead

        try {
            regions = geoJSON ? parseGeoJson(geoJSON) : [];
        } catch (e) {
            throw new Error("Invalid geoJson format\n" + e.message);
        }

        fixNanhai(mapName, regions);
        each(regions, function (region) {
            var regionName = region.name;
            fixTextCoord(mapName, region);
            fixGeoCoord(mapName, region);
            fixDiaoyuIsland(mapName, region); // Some area like Alaska in USA map needs to be tansformed
            // to look better

            var specialArea = specialAreas[regionName];

            if (specialArea) {
                region.transformTo(
                    specialArea.left,
                    specialArea.top,
                    specialArea.width,
                    specialArea.height
                );
            }
        });
        return (inner(mapRecord).parsed = {
            regions: regions,
            boundingRect: getBoundingRect(regions),
        });
    },
};

function getBoundingRect(regions) {
    var rect;

    for (var i = 0; i < regions.length; i++) {
        var regionRect = regions[i].getBoundingRect();
        rect = rect || regionRect.clone();
        rect.union(regionRect);
    }

    return rect;
}

module.exports = _default;
